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经营范围
发明名称
Photoelectric apparatus
摘要
申请公布号
US2904695(A)
申请公布日期
1959.09.15
申请号
US19520325278
申请日期
1952.12.11
申请人
GENERAL ELECTRIC COMPANY
发明人
WHITE WILLIAM C.
分类号
H01J61/54
主分类号
H01J61/54
代理机构
代理人
主权项
地址
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